On Sun, Jun 24, 2012 at 11:10 AM, compdoc <compdoc@hotrodpc.com> wrote:
> Clonezilla ignores the empty space and you end up with an image that's only
> as large as the amount of space used by the files. However, clonezilla
> cannot do this with partitions created using LVM. In that case, its forced
> to do a bit-copy which creates an image the size of the device being imaged.
>
> That's actually a large reason of why I switched from Centos to Ubuntu - no
> LVM used in the install process.
You could write all 0's to the drive, let it do the copy to an image
file, and the re-sparse that file so that it's not actually taking up
the unused space.
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06-24-2012, 04:17 PM
Liam Proven
Transferring my install to new computer
On 24 June 2012 17:12, William Scott Lockwood III <vladinator@gmail.com> wrote:
> On Sun, Jun 24, 2012 at 11:10 AM, compdoc <compdoc@hotrodpc.com> wrote:
>> Clonezilla ignores the empty space and you end up with an image that's only
>> as large as the amount of space used by the files. However, clonezilla
>> cannot do this with partitions created using LVM. In that case, its forced
>> to do a bit-copy which creates an image the size of the device being imaged.
>>
>> That's actually a large reason of why I switched from Centos to Ubuntu - no
>> LVM used in the install process.
>
> You could write all 0's to the drive, let it do the copy to an image
> file, and the re-sparse that file so that it's not actually taking up
> the unused space.
I could be wrong, but my impression is that sparse-file disk images in
VMs grow when space is used but do not shrink again when it is freed.
In any event, that would not help Compdoc, whose problem concerns the
Logical Volume Management disk format, rather than any form of virtual
machine.
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06-24-2012, 04:20 PM
William Scott Lockwood III
Transferring my install to new computer
On Sun, Jun 24, 2012 at 11:17 AM, Liam Proven <lproven@gmail.com> wrote:
> I could be wrong, but my impression is that sparse-file disk images in
> VMs grow when space is used but do not shrink again when it is freed.
I have in fact re-sparsed disk images. There are several ways to do this.
> In any event, that would not help Compdoc, whose problem concerns the
> Logical Volume Management disk format, rather than any form of virtual
> machine.
That depends. a virtual disk can be an excellent middle state in
fixing problems.
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W. Scott Lockwood
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06-24-2012, 04:40 PM
"compdoc"
Transferring my install to new computer
> In any event, that would not help Compdoc,
>whose problem concerns the Logical Volume
>Management disk format, rather than any
>form of virtual machine.
Imaging virtual machine guests to back them up is another great use for
clonezilla. Works well for linux as well as Windows images.
Guess you can tell I like it.
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06-24-2012, 04:51 PM
Liam Proven
Transferring my install to new computer
On 24 June 2012 17:40, compdoc <compdoc@hotrodpc.com> wrote:
>> In any event, that would not help Compdoc,
>>whose problem concerns the Logical Volume
>>Management disk format, rather than any
>>form of virtual machine.
>
> Imaging virtual machine guests to back them up is another great use for
> clonezilla. Works well for linux as well as Windows images.
>
> Guess you can tell I like it.
:¬)
I guess it depends what VM you use. I favour VirtualBox and it can
copy VMs all on its own without extra tools.
Transferring my install to new computer
